GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Power Door Locks Diagnostic System Check?

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Go to Step 2

Go to Diagnostic System Check - Power Door Systems

2

  1. Disconnect the inoperative door lock motor.
  2. Connect a test lamp from CKT 294 (TAN) of the inoperative motor connector to ground.
  3. Place 1 of the door lock switches in the UNLOCK position.

Does the test lamp light?

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Go to Step 4

Go to Step 3

3

Repair the open in CKT 294 (TAN) between the inoperative door lock motor and splice S230.

Is the repair complete?

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Go to Step 7

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4

  1. Connect a test lamp from CKT 294 (TAN) to CKT 295 (GRY) at the inoperative door lock motor.
  2. Place 1 of the door lock switch in the LOCK position.

Does the test lamp light?

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Go to Step 6

Go to Step 5

5

Repair the open in CKT 295 (GRY) between the inoperative door lock motor and splice S228.

Is the repair complete?

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Go to Step 7

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6

Replace the inoperative door lock motor.

Is the repair complete?

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Go to Step 7

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7

Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 2